US2456166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric lighting
Assignee: PATENT LICENSE CORP
•
Filing: 1946-11-08
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Granted: 1948-12-14
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Expires: 1966-11-08
Abstract
No abstract record available.
Inventors
- 👤 Albert L Arenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:39
CPC Classifications
H; H01; H01K; H01K1/00; H01K1/28; B; B60; B60Q; B60Q3/00; B60Q3/40; B60Q3/41; B60Q3/43; F; F21; F21S; F21S8/00; F21S8/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1594635A
Cited
US2020273A
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US2148314A
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US2293326A
Cited
US2204327A
Cited
US2398968A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-14 | 1952-06-14 | 1952-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-14 | 1956-06-14 | 1956-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-14 | 1960-06-14 | 1960-12-14 | $7700.00 | Window Closed / Lapsed |